/* Atakan Kayaoglu — kayaoglu-family.com
   main.css — helles, ruhiges Enterprise-Layout */

@font-face{
  font-family:"Inter var";
  font-weight:100 900;
  font-display:swap;
  font-style:normal;
  src:url("/assets/fonts/inter-var.woff2?v=3") format("woff2");
}

:root{
  --bg:#ffffff;
  --bg-tint:#f6f7f9;
  --surface:#ffffff;
  --ink:#161a20;
  --ink-2:#4b525b;
  --ink-3:#868d97;
  --border:#e7e9ee;
  --border-strong:#d6dae1;
  --accent:#1f5fbf;
  --accent-hover:#1a4f9f;
  --accent-tint:#eef3fc;
  --accent-ink:#ffffff;
  --ok:#137a4a;

  --font:"Inter var",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;

  --shadow-sm:0 1px 2px rgba(16,24,40,.05), 0 1px 3px rgba(16,24,40,.05);
  --shadow-md:0 6px 20px rgba(16,24,40,.08);

  --maxw:1000px;
  --radius:12px;
  --radius-sm:9px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font);background:var(--bg);color:var(--ink);
  font-size:16px;line-height:1.62;font-feature-settings:"cv05","ss03";
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  display:flex;flex-direction:column;min-height:100vh;
}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover);text-decoration:underline}
img{max-width:100%;display:block}
::selection{background:var(--accent-tint)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
h1,h2,h3{line-height:1.2;letter-spacing:-.018em;color:var(--ink);font-weight:680}
p{color:var(--ink-2)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- HEADER ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.nav__brand{display:flex;align-items:center;gap:11px;font-weight:640;font-size:15px;color:var(--ink)}
.nav__brand:hover{text-decoration:none;color:var(--ink)}
.nav__brand .mark{width:30px;height:30px;border-radius:8px;background:var(--ink);color:#fff;display:grid;place-items:center;font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.5px}
.nav__links{display:flex;gap:2px;list-style:none}
.nav__links a{display:block;padding:8px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--ink-2)}
.nav__links a:hover{color:var(--ink);background:var(--bg-tint);text-decoration:none}
.nav__links a[aria-current="page"]{color:var(--accent);background:var(--accent-tint)}
.nav__toggle{display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:9px;background:var(--surface);cursor:pointer;position:relative}
.nav__toggle span,.nav__toggle span::before,.nav__toggle span::after{position:absolute;left:50%;width:16px;height:2px;background:var(--ink-2);border-radius:2px;transform:translateX(-50%);transition:.2s ease}
.nav__toggle span{top:50%;margin-top:-1px}
.nav__toggle span::before{content:"";top:-6px}
.nav__toggle span::after{content:"";top:6px}
.nav__toggle[aria-expanded="true"] span{background:transparent}
.nav__toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

/* ---------- MAIN / SECTIONS ---------- */
main{flex:1 0 auto}
.section{padding:64px 0;border-top:1px solid var(--border)}
.section--tint{background:var(--bg-tint)}
.section--tint + .section{border-top:0}
.section__head{max-width:60ch;margin-bottom:32px}
.eyebrow{display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.section h2{font-size:clamp(1.4rem,3.2vw,1.8rem);font-weight:700}
.section__head p{margin-top:10px;font-size:1rem;color:var(--ink-2)}

/* ---------- HERO ---------- */
.hero{padding:76px 0 68px;position:relative}
.hero::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--accent),#4c8bde)}
.hero .eyebrow{color:var(--ink-3)}
.hero h1{font-size:clamp(2.2rem,6vw,3.3rem);font-weight:720;letter-spacing:-.03em;line-height:1.06}
.hero .role{margin-top:16px;font-size:clamp(1.05rem,2.4vw,1.28rem);color:var(--ink-2);max-width:46ch;font-weight:420}
.hero__facts{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:24px;font-size:14px;color:var(--ink-2)}
.hero__facts span{display:inline-flex;align-items:center;gap:8px}
.hero__facts span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--ok)}
.hero__facts span + span::before{background:var(--border-strong)}
.hero .btn-row{margin-top:34px}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:12px 22px;border-radius:9px;font-size:14px;font-weight:600;border:1px solid transparent;transition:background .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--accent);color:var(--accent-ink);box-shadow:var(--shadow-sm)}
.btn--primary:hover{background:var(--accent-hover);color:#fff;box-shadow:var(--shadow-md)}
.btn--ghost{background:var(--surface);color:var(--ink);border-color:var(--border-strong)}
.btn--ghost:hover{border-color:var(--ink-3);color:var(--ink);background:var(--bg-tint)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- GRIDS / CARDS ---------- */
.grid{display:grid;gap:16px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);transition:box-shadow .16s ease,border-color .16s ease,transform .16s ease}
a.card:hover{text-decoration:none;box-shadow:var(--shadow-md);border-color:var(--border-strong);transform:translateY(-2px)}
.card .ico{width:34px;height:34px;border-radius:8px;background:var(--accent-tint);color:var(--accent);display:grid;place-items:center;margin-bottom:14px}
.card .ico svg{width:18px;height:18px}
.card h3{font-size:1rem;font-weight:650;margin-bottom:6px}
.card p{color:var(--ink-2);font-size:14px}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:600;color:var(--accent)}
.card .more svg{width:13px;height:13px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ---------- PROFIL ---------- */
.profil{display:grid;grid-template-columns:1.55fr 1fr;gap:48px;align-items:start}
.lead{font-size:1.12rem;color:var(--ink);font-weight:460;line-height:1.55}
.prose p + p{margin-top:15px}
.prose p{color:var(--ink-2)}
.facts{list-style:none;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.facts li{padding:14px 18px;font-size:14px;border-top:1px solid var(--border)}
.facts li:first-child{border-top:0}
.facts li b{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-3);font-weight:600;margin-bottom:3px}
.facts li span{color:var(--ink)}

/* ---------- WERDEGANG ---------- */
.timeline{display:grid;gap:16px}
.job{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm)}
.job__head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2px 18px;align-items:baseline}
.job__head h3{font-size:1.04rem;font-weight:660}
.job__when{font-family:var(--mono);font-size:12px;color:var(--ink-3);white-space:nowrap}
.job__org{color:var(--accent);font-size:14px;font-weight:550;margin:4px 0 14px}
.job ul{list-style:none;display:grid;gap:9px}
.job li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2)}
.job li::before{content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:2px;background:var(--accent);opacity:.5}

.edu{display:grid;gap:11px}
.edu-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow-sm)}
.edu-item h3{font-size:.96rem;font-weight:620}
.edu-item .where{font-size:13px;color:var(--ink-3);margin-top:3px}
.edu-item .status{display:inline-block;margin-top:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.4px;color:var(--ink-2);background:var(--bg-tint);border:1px solid var(--border);border-radius:6px;padding:3px 9px}
.cert-list{list-style:none;display:grid;gap:11px}
.cert-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:15px 18px;box-shadow:var(--shadow-sm)}
.cert-list li svg{width:17px;height:17px;color:var(--accent);flex:none;margin-top:2px}

/* ---------- KENNTNISSE ---------- */
.skills{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:26px}
.skill-group{display:flex;flex-direction:column;gap:12px}
.skill-group h3{display:flex;align-items:center;gap:9px;font-size:.86rem;font-weight:640;color:var(--ink)}
.skill-group h3 .ico{width:26px;height:26px;border-radius:7px;background:var(--accent-tint);color:var(--accent);display:grid;place-items:center;flex:none}
.skill-group h3 .ico svg{width:15px;height:15px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12.5px;color:var(--ink-2);background:var(--surface);border:1px solid var(--border);border-radius:7px;padding:6px 12px;transition:border-color .16s ease,color .16s ease}
.tag:hover{border-color:var(--accent);color:var(--accent)}
.lab{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.lab p{max-width:66ch;color:var(--ink-2)}
.lab .live{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:var(--ink-3);margin-top:16px}
.lab .live .dot{width:7px;height:7px;border-radius:50%;background:var(--ok)}

/* ---------- KONTAKT ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.contact-card{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm)}
a.contact-card:hover{text-decoration:none;box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.contact-card .ico{width:36px;height:36px;border-radius:9px;background:var(--accent-tint);color:var(--accent);display:grid;place-items:center;flex:none}
.contact-card .ico svg{width:18px;height:18px}
.contact-card > span:last-child{display:flex;flex-direction:column;gap:3px;padding-top:1px;min-width:0}
.contact-card .k{font-family:var(--mono);font-size:10.5px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-3)}
.contact-card .v{font-size:14.5px;color:var(--ink);word-break:break-word;font-weight:500}

/* ---------- FOOTER ---------- */
.site-footer{flex:none;border-top:1px solid var(--border);background:var(--bg-tint)}
.site-footer__in{max-width:var(--maxw);margin:0 auto;padding:30px 24px 44px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;font-size:13px;color:var(--ink-3)}
.site-footer a{color:var(--ink-3)}
.site-footer a:hover{color:var(--accent)}
.site-footer nav{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- 404 ---------- */
.err{padding:110px 0;text-align:center}
.err h1{font-size:2.6rem;color:var(--ink-3);font-family:var(--mono)}
.err p{margin:12px 0 26px}

/* ---------- RESPONSIVE ---------- */
@media (max-width:860px){
  .profil{grid-template-columns:1fr;gap:28px}
  .split,.grid--2,.grid--3{grid-template-columns:1fr}
}
@media (max-width:680px){
  .nav__toggle{display:block}
  .nav__links{position:absolute;left:0;right:0;top:64px;flex-direction:column;gap:2px;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);padding:10px 16px 16px;transform:translateY(-130%);transition:transform .24s ease}
  .nav__links.is-open{transform:translateY(0)}
  .nav__links a{padding:13px 12px;font-size:15px;border-radius:10px}
  .section{padding:46px 0}
  .hero{padding:52px 0 46px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}

/* ---------- PRINT ---------- */
@media print{
  .site-header,.nav__toggle,.btn-row,.site-footer nav,.hero::before{display:none!important}
  body{color:#000;background:#fff;font-size:11pt}
  a{color:#000;text-decoration:none}
  .section{border:0;padding:14pt 0;break-inside:avoid}
  .card,.job,.edu-item,.cert-list li,.contact-card,.facts{box-shadow:none;border-color:#ccc;break-inside:avoid}
  .section--tint{background:#fff}
}